Finding the Fourth Proportional to 625,245.12, 862,832.64 and 370,716.96
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Solution
The fourth proportional to 625,245.12, 862,832.64 and 370,716.96 is: 511,586.07
Step by Step Solution
- Step 1: Write the proportion equation
625,245.12 : 862,832.64 = 370,716.96 : x - Step 2: Convert to fraction form
625,245.12/862,832.64 = 370,716.96/x - Step 3: Cross multiply
625,245.12x = 862,832.64 × 370,716.96 - Step 4: Simplify right side
625,245.12x = 319,866,693,289.57 - Step 5: Solve for x
x = 319,866,693,289.57/625,245.12 - Step 6: Final answer
x = 511,586.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.